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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Wharfedale SI Series, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Wharfedale SI Series one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Wharfedale SI Series. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Wharfedale SI Series should contain:
- informations concerning technical data of Wharfedale SI Series
- name of the manufacturer and a year of construction of the Wharfedale SI Series item
- rules of operation, control and maintenance of the Wharfedale SI Series item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Wharfedale SI Series alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Wharfedale SI Series, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Wharfedale service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Wharfedale SI Series.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Wharfedale SI Series item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
SI SERIES LOUDSPEAKERS INSTRUCTION MANUAL WHARFEDALE SYSTEMS DIVISION[...]
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Page 2
Unpacking All Wharfedale Pro products are fully checked before leaving the factory. After unpacking please inspect cabinets for any physical damage. Please retain the shipping carton if possible and internal packing material in case the unit needs to be returned. Please check as soon as possible the unit is functioning. In the event of any damage p[...]
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Page 3
SI SERIES FEATURES OF THE SI SERIES: ● Trapezoidal (SI-10 5 sided) Enclosure Design for multiple applications ● Compact High Power Handling ● Wharfedale Proprietary LF Driver ● 44mm Titanium Diaphragm true Compression Driver ● Spherical Waveguide provides consistent control over HF coverage 70x70º and effective array coupling ● 15mm MD[...]
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Page 4
SI-10 SPECIFICA TIONS: SYSTEM: Power handling: 120watts RMS,240watts program, 480watts peak Nominal Impedance: 8 Ω Frequency response (+/-3dB): 65-20kHz Sensitivity: 96 dB/1watt/1meter Coverage: 70 x 70º Maximum SPL (dB) ref Peak Power: 123dB LF Driver: 10” HF Section: Coil Size: 44mm/1.7 inches Exit Size: 25.4mm/1 inch Diaphragm Material: Met[...]
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Page 5
SI-12 SPL, 1W / 1M ( dB ) I mp e danc e( oh m s ) 60 70 80 90 10 0 11 0 0 20 40 60 80 10 0 10 0 10 0 0 10 0 0 0 20 0 0 0 10 1000Hz 0 30 60 90 120 150 180 210 240 270 30 0 33 0 -10 -20 -30 -40 -50 Cli o 8 000Hz 0 30 60 90 120 150 180 210 240 270 30 0 33 0 -10 -20 -30 -40 -50 Cli o 4 000Hz 5 00Hz 0 30 60 90 120 150 210 240 270 30 0 33 0 -10 -20 -30 -[...]
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Page 6
SI-15 SPECIFICA TIONS: SYSTEM: Power handling: 300watts RMS, 600watts program, 1200watts peak Nominal Impedance: 8 Ω Frequency response (+/-3dB): 45-20kHz Sensitivity: 98 dB/1watt/1meter Coverage: 70 x 70º Maximum SPL (dB) ref Peak Power: 129dB LF Driver: 15” HF Section: Coil Size: 44mm/1.7 inches Exit Size: 25.4mm/1 inch Diaphragm Material: M[...]
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Page 7
SI-28 SPECIFICA TIONS: SYSTEM: Power handling: 200watts RMS,400watts program, 800watts peak Nominal Impedance: 8 Ω Frequency response (+/-3dB): 70-20kHz Sensitivity: 97 dB/1watt/1meter Coverage: 70 x 70º Maximum SPL (dB) ref Peak Power: 126dB LF Driver: 2 x8” HF Section: Coil Size: 44mm/1.7 inches Exit Size: 25.4mm/1 inch Diaphragm Material: M[...]
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Page 8
SI-15B SPECIFICA TIONS: SYSTEM: Power handling:300watts RMS,600watts program, 1200watts peak Nominal Impedance: 8 or 4 Ω Frequency response (+/-3dB): 45-1kHz Sensitivity: 98 dB/1watt/1meter Maximum SPL (dB) ref Peak Power: 129dB. System Frequency: 40Hz Enclosure Type: Trapezoidal Finish colour: black or white tough acrylic paint Rigging : M8 x 12[...]
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Page 9
SI-18B SPECIFICA TIONS: SYSTEM: Power handling: 400watts RMS,800watts program, 1600watts peak Nominal Impedance: 8 or 4 Ω Frequency response (+/-3dB): 35-2kHz Sensitivity: 99 dB/1watt/1meter Maximum SPL (dB) ref Peak Power: 131dB. System Frequency: 35Hz Enclosure Type: Rectangular Finish colour: black or white tough acrylic paint Rigging : M8 x 1[...]
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Page 10
Wharfedale International Limited, IAG House, Sovereign Court, Ermine Business Park, Huntingdon, Cambs, PE29 6XU, England www.wharfedalepro.com The information in this manual is subject to change without notice. All rights reserved © 2004 Wharfedale Pro. Wharfedale is a member of the International Audio Group (IAG). WHARFEDALE SYSTEMS DIVISION 911.[...]